参数资料
型号: ISD5008ZI
厂商: Electronic Theatre Controls, Inc.
英文描述: SINGLE CHIP VOICE RECORD PLAYBACK DEVICE 4-, 5-, 6-, AND 8- MINUTE DURATIONS
中文描述: 单片语音记录重放设备4 - ,5 - ,6 - ,8 -一分钟工期
文件页数: 8/47页
文件大小: 1174K
代理商: ISD5008ZI
ISD5008 Product
5
ISD
AUX IN
(Auxiliary Input)
The AUX IN is an additional audio input to the
ISD5008, such as from the microphone circuit in a
mobile phone “car kit.” This input has a nominal
700 mVp-p level at its minimum gain setting
(0 dB). See Table 5. Additional gain is available in
3 dB steps (controlled by the SPI bus) up to 9 dB.
Figure 3: AUX IN Input Modes
1.
2.
3.
4.
Gain from AUX IN to ANA OUT
Gain from AUX IN to ARRAY IN
0TLP Input is the reference Transmission Level Point that is used for testing. This level is typically 3 dB below clipping.
Differential
Gain
Setting
Resistor Ratio
(Rb/Ra)
Gain
Gain
(dB)
00
40.1/40.1
1.0
0
01
47.0/33.2
1.414
3
10
53.5/26.7
2.0
6
11
59.2/21
2.82
9
Table 5: AUXIN Amplifier Gain Settings
Setting
(1)
0TLP Input
V
PP(3)
CFG0
Gain
(2)
Array In/Out
V
PP
Ana Out V
PP(4)
AXG1
AXG0
0 dB
.694
0
0
1.00
.694
.694
3 dB
.491
0
1
1.41
.694
.694
6 dB
.347
1
0
2.00
.694
.694
9 dB
.245
1
1
2.82
.694
.694
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